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Finding the Fourth Proportional to 235,626.30, 353,322.66 and 83,800.62

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Solution

The fourth proportional to 235,626.30, 353,322.66 and 83,800.62 is: 125,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,626.30 : 353,322.66 = 83,800.62 : x
  2. Step 2: Convert to fraction form
    235,626.30/353,322.66 = 83,800.62/x
  3. Step 3: Cross multiply
    235,626.30x = 353,322.66 × 83,800.62
  4. Step 4: Simplify right side
    235,626.30x = 29,608,657,968.05
  5. Step 5: Solve for x
    x = 29,608,657,968.05/235,626.30
  6. Step 6: Final answer
    x = 125,659.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.